CPH to A. Manvel, Aug. 1, 1890, W. E. Costell to C. G. Wheeler, June 1, 1890, CPH Papers, ser. 1, r. 48.
CPH to F. H. Welch, Aug. 4, 1890, CPH Papers, ser. 1, r. 48.
See illegible, Law Department of AT&SF to J. D. Springer, Aug. 28, 1890, CPH Papers, ser. 1, r. 48.
Adams, Autobiography, 198.
Joseph A. Schumpeter, Business Cycles: A Theoretical Historical, and Statistical Analysis of the Capitalist Process, 2 vols. (New York: McGraw-Hill, 1939), 1:341.
Hovenkamp, Enterprise and American Law, 234-35.